Bi-D Adjustment - Epson Stylus PhotoR280 Service Manual

EPSON Stylus Photo R280/R285/R290
Microweave Pattern
+3 +2 +1
Figure 5-3. Head Angular Adjustment (Microweave) Pattern
How to Judge
Examine the printout +3 to -3 patterns and select the value for the group of which the
gaps between the 2 color bars are the smallest.
Additional information
If no appropriate pattern is found, reassemble/replace the Print Head.
Example for judgement
OK
Chapter 5 Adjustment
0 -1 -2 -3
Gap
NG
5.2 Using the Adjustment Program

5.2.3 Bi-D Adjustment

The pattern shown below is printed for each of the 7 print modes.
20 22 24
Figure 5-4. Bi-D Adjustment Pattern
How to Judge
Find the pattern with no gaps or overleaps of the left and right pattern, and enter the
value of that pattern.
Additional information
If an appropriate pattern is not printed, enter the nearest value and then print the
patterns again.
Example for judgement
Overlap
NG
Revision B
25
26 28 30
27
Gap
OK NG
32
102